工学 通信系统 释 access network 接入网络 为本地交换机与用户端设备之间实施互联，连接用户到特定的服务提供商并通过承载网络到达其他网络的用户网络。
网络与数据通信 协议体系与组成结构 释文 access network 接入网
- methamidophos
- methamphetamine
- methanal
- methanamide
- methanation catalyst
- methanation feed gas
- methanation process
- methanation reactor
- methane
- methane alarm
- methane emission in rice paddy
- methane explosion
- methane fermentation
- methane hydrate
- methane-monitor breaker
- methane oxidation
- methane-stabillized laser
- methane sulphonic acid
- methane sulphonic acid (MSA)
- methanethiol
- methane to ethylene
- methanetriol
- Methanocaldococcus jannaschii genome
- methanogen
- methanogenesis